Udisks is a means of enumerating disk and storage devices on Linux platforms and performing various operations on them. This post describes the technology behind udisks, the history of udisks, how to monitor udisks events and some simple operations you can do using udisks.
Recent releases of Fedora and other GNU/Linux distributions include a Hardware Abstraction Layer (HAL) which is used to support device plug-and-play capabilities. In this post I will show you how your shell scripts can use HAL to retrieve device and system information. The term HAL is overloaded as it used to refer both to a specification and the actual software which implements the specification. From an application developers viewpoint, HAL is way to enumerate the capabilities and features of hardware attached to a system and receive notification when something about the hardware changes. First, a very quick overview of HAL.